Radiator



May 31, 1932. s. DEUTYSCH 1,860,573

RADIATOR Filed Aug. 22, 1928 Li zy/0 Invent or:

4 and respectively,

Patented May 31, 1932 UNITED STATES ATENr; orrics 1- smernrnn nnnrscn, or VIENNA, Aus rnm, .as'srenon T0 ISIDOR MAUTNER, or,

. VIENNA, AUSTRIA1- RADIATOR Application filed August 22,1928, Serial Nb. 301,263, and in Austria April 2,1926.

My invention relates to improvements in radiators and has for its object to simplifyv facturlng them in a more convenient manner,

simultaneously increasing theirpower of radiating heat.

In order to attain the purpose aimed at]:

it, completely depart from the usual shape of radiator elements of cast iron and I form these elements so asto be constituted of a plane or arched plate having preferably vertical or substantially vertical ribs on the front side and on theback one or more hollow.

bodies or channels for the passage, respectively for the reception of a heating medium or heating device. 7

The said hollow bodies or channels run on their upper andlower end into cylindrical or, in general, tube-like members by means of which the radiator elements may be combined or connected together so as to constitute heating bodies or radiators,the plates provided with ribs of such radiators not facing one another.

The drawings illustrate several embodiments of the invention'showing radiator elements in accordance therewith. Figures 1, 2 and 3 illustrate one mode of construction of radiator elements in. a front and in aside view and in a'horiz'ontal section respectively. Fig. 4 is a horizontal section of another mode of construction. Figures 5, 6 and 7 represent in-a front'view, side view and horizontal section a still. further mode of construction of a radiator element and Figs. 8, 9, 10, 11, 12

' and 13 show inhorizontalsections other embodiments of the invention.

Y The element according to Figs. 1-3 consists of a plate 1 having on its front side vertical ribs 2 and being provided at its back with a 7 channel 3for the heating medium, this channel 3 leading to horizontal connecting tubes which are arranged at the upper and lower end of this channeland the axes of which are parallelto the plate.

The ends of these connecting tubes 4 and 5 are provided with screw threads (Fig. 3), the

thread 'onthe one end being. left-handed handed, so that these elements may be connected together in the usual manner by screw The whole element ismade in one piece of cast-iron and it is evident that the several parts (plate, ribs, hollow'body and so on) maybe so shaped and dimensioned as to not cause any difficulty in casting.

The walls may be made very: thin so that the radiator element is comparatively light, 1n any case of smaller weight than the radiator elements of cast iron'hitherto usedt Since the heat radiatingsurface, i. e. mostly the front surface of the rib plate 1 is larger than the surface in direct contact with the heating medium in the channel or hollow body 3, -this heat radiatingsurface being larger than that portion of. the innerwall of the channel3 whichis formed by theback of the plate 1',a so-called: indirect delivery of heat takes place. The heat delivered from the hollow body or channel 3 to the portion The horizontal cross sectionshown in Fig.

4 illustrates a mode of construction of a radiator element being a doubling ofthe element according to Fig. 3, two of such elements being connected one beside the other to form a unit. Such double elements as shown in Fig. 4 may then be connected together, all the rib plates 1 lying in the same plane;

The connecting tubes 4 and 5 extend to both.

sides beyond the plates 1 sothat air gaps 7 are formed between every two elements as shown in Figs. 1 and 3. This'air gap may also be produced by putting any intermediate pieces or perforated washers between the connecting tubes 4 and;5'if these latter do not project beyond the'plates 1.:

whereasthe thread on the other end is righti u of the plate 1 1n contact with the heating methe present invention effect heating of the room mostly by radiation and should not heat the air by convection, care must be taken to insure unhindered radiation of heat from the radiator element'and to secure distribution 1 of this radiation in as many directions as possible. This is obtained by outwardly arching the rib plate which radiates heat, advantageously by shaping the plate so as to have an arched form similar to a segment of a cylindrical surface with a vertical axis.

Such a mode of construction is represented in Figs. 5, 6 and 7 The plate 14 having ribs 15 is outwardly arched to form a segment of a cylindrical surface, the axis of which 26 is'vertical, that is to say, parallel to the ribs 15. The rear wall of the hollow body 17 is also arched outwardly in the same manner as the plate 14 and lies symmetrically to the latter so that the element has a symmetrical lens- ;80 like cross section.

The manufacture of such radiator elements secures the advantage of allowing the core necessary for the shaping of the hollow space to be made of necessary strength and of using this core for the manufacture of radiator elements having only on one side a rib-plate as shown in Fig. 7 as well as for elements which have arched rib plates on both sides as illustrated in Fig. 10.

.4 By arching the rib plates in accordance with the modes of construction shown in Figs. 7 and 9 heat radiation is produced divergent from the radiator element. As the rays of heat should enter the room as unhindered as possible, the radiating surfaces should not face one another. This is true not only for the radiating surfaces of adjacent radiator elements but also for the several portions of the heat radiating surface of each 6 element. If two adjacent ribs are parallel,

part of the rays of heat from one rib will strike the other rib and vice versa and these rays are lost for the heating of the room because'thev do not freely pass into the room.

With arched rib-plates a much more considerable portion of the radiated heat from the ribs may reach the room by passing the ad jacent ribs unhindered, as illustrated by dotted arrows in Fig. 7.

In'order to reduce the impediment of the radiation effect of adjacent ribs the height ofthe ribs may diminish from the central axis XX of Fig. 9 towards both sides. By this means the degree of radiation effect "'65. which is increased by arching the plates is still further magnified. This measure may' be adopted also in connection with elements having ribs projecting in both directions, as illustrated in Fig. 10. A similar improvement in the effect of radiation may be obtained by radially arranging the ribs on the arched plates so that they diverge towards the room, as shown in Fig. 11.

As shown in Figs. 12 and 13 the height of the ribs of plane ribbed plates may diminish from the center towards both sides in order to increase the effect of heat radiation and it is clear that the construction of the heating element may be modified in manifold ways.

It is to be noted that the high radiating capacity of the radiator elements is totally independent of the manner and of the means in or by which heat is transmitted to the rib plates. Thus liquid, vaporous or gaseous heating media may flow through the hollow bodies or channels of the elements or electrical heating devices of any kind may be arranged within such hollow bodies or chan- V nels.

VVhat- I claim as mv invention is:

1. A cast radiator element for heating buildings and the like, comprising a wall providing a heat radiating surface of substantial extent, a channel at the back of said wall for conveying a heating medium thereto, said wall having thin side edges and a plurality of outwardly projecting longitudinally extending ribs disposed over at least a port on of its area, said ribs progressively decreasing in height from the center line of said wall to the side edges thereof and a connecting tube arranged transversely of said wall at each end thereof, said tubes communicating with said channel and being adapted to connect said element to similar elements so as to provide a row of elements arranged'sidc by side with their ribbed surfaces abutting edge to edge and facing broadside into the room to be heated.

2. A cast radiator element for heating buildings and the like comprising a channellike hollow member of lenticular cross-section having a wall providing a heat radiating surface of substantial extent, said wall having thin side edges and a plurality of outwardly projecting ribs disposed over at least one curved wall, and a connecting tube arranged transversely of said hollow member at each end thereof, said tubes being adapted to connect said element to similar elements so as to provide a row of elements'arranged side by side with the side edges of their walls disposed in the same plane and their ribbed surfaces facing broadside into the room to be heated.

3. A radiator element according to claim 2, including a channel-like, hollow member of lenticular cross section, at least one curved thereof, said ribs decreasing in height from. the center line of said Wall to theside edges thereof.

4. A cast radiator element for heating buildings and the like, comprising a channellike hollow member of oblong cross section having a wall providing a heat radiating surface of substantial extent,said wall having a plurality of ribs projecting outwardly and unequally considerably into the room to be heated, and a connecting tube arranged Y transversely of said member at each end thereof, said tubes constituting connectors for connecting said element to similar elements so as to providea row of elements arranged side by side with the principal axes of cross sect-ion of their hollow members disposed in the same plane and their ribbed surfaces facing broadside into the room tobe heated. I

5. A cast radiator element for heating buildings and the like, comprising a channel like hollow member of oblong cross section having an outwardly curved wall provided with outwardly projecting, longitudinally ex- 7 tending ribs, and a connecting tube arranged transversely of said hollow member at each end thereof, said tubes constituting connectors for connecting said element to similar elements so as to provide a row of elements arranged side by side with the principal axes of V the cross section of their hollow members disposed in the same plane and their ribbed buildings and the like, comprising a channellike hollow member having a plane wall providing a heat radiatingsurface of substantial extent, said wall having thin side edges and a plurality of outwardly projecting longl tudinally, extending ribs varying in height,

and a connecting tube arranged transversely of said hollowmember at each end thereof, said tubes being adapted to'connect said element to similar elements so as to'provide a row of elements arranged side by side with the side edges of their walls disposed in the same plane and their ribbed surfaces facing broadside into the room to be heated.

10. A radiator element according to claim 9,-in which the channel-like hollow member is of triangular cross section. 7

- In testimony whereof I aflix' my signature;

' SIEGFRIED DEUTSCH.

surfaces facing broadside into the room to be heated. I

6. A cast radiator element according to claim 5, in which the channel-like hollow member or oblong cross section having an outwardly curved wall is provided with outwardly projecting longitudinally extending ribs decreasing in height from the center line of said wall to; the side edges thereof.

7 A cast radiator element according to claim 4:, in which the channel-like hollow member of oblong cross section has oppositely arranged walls, each of which is provided with longitudinally extending ribs projecting outwardly and unequally considerably into'the room to be heated.

8. A cast radiator element for heating 7 buildings and the like, comprising a channellike hollow member having a wall providing a heat radiating surface. of substantial extent, said wall having thin side edges and a plurality of ribs projecting outwardly and unequally heated, and a connecting tube arranged transversely of said hollow member at each end thereof, said tubes being adapted to connect said element to similar elements so as to provide a row of elements arranged side by side with the side edges oftheir walls disposed in the same plane andtheir'ribbed surfaces facing broadside .into the room to be heated.

9. A cast radiator element for heating considerably into the room to be 

